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Atmosphere/libraries/libstratosphere/include/stratosphere/spl/smc/spl_smc.hpp
2020-09-18 00:43:55 -07:00

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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "../spl_types.hpp"
namespace ams::spl::smc {
/* Helpers for converting arguments. */
inline u32 GetComputeAesMode(CipherMode mode, u32 keyslot) {
return static_cast<u32>((static_cast<u32>(mode) << 4) | (keyslot & 7));
}
inline u32 GetPrepareEsDeviceUniqueKeyOption(EsCommonKeyType type, u32 generation) {
return static_cast<u32>((static_cast<u32>(type) << 6) | (generation & 0x3F));
}
/* Functions. */
Result SetConfig(spl::ConfigItem which, const void *address, const u64 *value, size_t num_qwords);
Result GetConfig(u64 *out, size_t num_qwords, spl::ConfigItem which);
Result GetResult(Result *out, AsyncOperationKey op);
Result GetResultData(Result *out, void *out_buf, size_t out_buf_size, AsyncOperationKey op);
Result ModularExponentiate(AsyncOperationKey *out_op, const void *base, const void *exp, size_t exp_size, const void *mod);
Result GenerateRandomBytes(void *out, size_t size);
Result GenerateAesKek(AccessKey *out, const KeySource &source, u32 generation, u32 option);
Result LoadAesKey(u32 keyslot, const AccessKey &access_key, const KeySource &source);
Result ComputeAes(AsyncOperationKey *out_op, u32 mode, const IvCtr &iv_ctr, u32 dst_addr, u32 src_addr, size_t size);
Result GenerateSpecificAesKey(AesKey *out_key, const KeySource &source, u32 generation, u32 which);
Result ComputeCmac(Cmac *out_mac, u32 keyslot, const void *data, size_t size);
Result ReencryptDeviceUniqueData(void *data, size_t size, const AccessKey &access_key_dec, const KeySource &source_dec, const AccessKey &access_key_enc, const KeySource &source_enc, u32 option);
Result DecryptDeviceUniqueData(void *data, size_t size, const AccessKey &access_key, const KeySource &source, DeviceUniqueDataMode mode);
Result ModularExponentiateWithStorageKey(AsyncOperationKey *out_op, const void *base, const void *mod, ModularExponentiateWithStorageKeyMode mode);
Result PrepareEsDeviceUniqueKey(AsyncOperationKey *out_op, const void *base, const void *mod, const void *label_digest, size_t label_digest_size, u32 option);
Result LoadPreparedAesKey(u32 keyslot, const AccessKey &access_key);
Result PrepareCommonEsTitleKey(AccessKey *out, const KeySource &source, u32 generation);
/* Deprecated functions. */
Result LoadEsDeviceKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
Result DecryptDeviceUniqueData(size_t *out_size, void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
Result DecryptAndStoreGcKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
/* Atmosphere functions. */
Result AtmosphereCopyToIram(uintptr_t iram_dst, const void *dram_src, size_t size);
Result AtmosphereCopyFromIram(void *dram_dst, uintptr_t iram_src, size_t size);
Result AtmosphereReadWriteRegister(uint64_t address, uint32_t mask, uint32_t value, uint32_t *out_value);
Result AtmosphereGetEmummcConfig(void *out_config, void *out_paths, u32 storage_id);
/* Helpers. */
inline Result SetConfig(spl::ConfigItem which, const u64 *value, size_t num_qwords) {
return SetConfig(which, nullptr, value, num_qwords);
}
inline Result SetConfig(spl::ConfigItem which, const u64 value) {
return SetConfig(which, std::addressof(value), 1);
}
}